براغي رأس كبس H20-2.5 × 80 مم من هولو-كروم 76516 | محرك سداسي | فولاد سبائكي مع أكسيد أسود حراري (10 / عبوة)

Installed these on a jig for a machining setup and the black oxide finish looks sharp while holding up well. The 80mm length gave me plenty of thread engagement for the thickness I needed.

The threads cut clean and the hex socket grips perfectly without any wobble during install—these are holding my jig setup tight under load. Pack of ten is enough for a solid batch of projects, and the black oxide finish looks sharp on the machine.

The black oxide finish on these M20 screws looks really professional on my fixture jig, and the hex socket drive made tightening them in tight spots much easier than I expected.